public void TestInvalidInput()
{
var evaluator = new PostFixEvaluator(new EvaluatableCollection <double>(Ops));
var result = evaluator.Eval("+ 1 +");
Console.WriteLine(result);
}
public void TestUnaryOperators()
{
var evaluator = new PostFixEvaluator(new EvaluatableCollection <double>(Ops));
var result = evaluator.Eval("1 -");
var expected = -1;
Assert.AreEqual(expected, result);
}
public void TestBasicEval()
{
var evaluator = new PostFixEvaluator(new EvaluatableCollection <double>(Ops));
var result = evaluator.Eval("1 2 +");
var expected = 3;
Assert.AreEqual(expected, result);
}
public void TestMultipleArgumentEvaluation()
{
var operators = new List <IEvaluatable <double> >
{
new Operator <double>("f", 2, Associativity.L, (a, b) => a * b)
};
var evaluator = new PostFixEvaluator(new EvaluatableCollection <double>(operators));
var result = evaluator.Eval("2 3 f");
var expected = 6;
Assert.AreEqual(expected, result);
}
public void TestAssociativity()
{
var evaluator = new PostFixEvaluator(new EvaluatableCollection <double>(Ops));
var result = evaluator.Eval("1 2 -");
var expected = -1;
}
